Modern gymnasium building, clean lines, minimal ornamentation, rectangular forms, cantilevered roofs, large glass windows, steel frames, concrete structures, functional design, open interior spaces, athletic tracks, basketball courts, volleyball nets, sports equipment, artificial turf, bright natural lighting, high ceilings, minimalist color schemes, industrial materials, urban landscape, morning sunlight, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion.